Investigation of Immediate Postoperative Pain following Orthognathic Surgery

Table 5

Intragroup comparisons by Pearson correlation coefficient ().

VAS (cm)	Group 1		Group 2		Group 3		Group 4
		value		value		value		value
Gender	0.378	0.062	0.118	0.573	-0.284	0.169	0.190	0.364
Age (y)	0.217	0.298	-0.121	0.565	-0.361	0.077	0.007	0.974
Operation time (min)	0.016	0.938	0.029	0.892	-0.313	0.127	-0.354	0.082
Blood loss (mL)	0.382	0.600	-0.143	0.494	-0.359	0.078	-0.148	0.480
Postoperative reduction
Hgb (g/dL)	0.215	0.303	-0.374	0.065	-0.236	0.256	0.069	0.744
Hct (%)	0.249	0.229	-0.321	0.117	-0.326	0.111	0.077	0.715

VAS: visual analog scale. Statistically significant, ; ^—not significant. Group 1: IVRO; Group 2: IVRO+GeP; Group 3: ASO Mx+ASO Md; Group 4: ASO Mx+ASO Md+GeP. Mx: maxilla; Md: mandible; IVRO: intraoral vertical ramus osteotomy; ASO: anterior subapical osteotomy; GeP: genioplasty.